• Microsoft windows server installation and configuration • Network services including Active Directory, DNS, DHCP, DFS, WSUS, WDS, NAT, RRAS • Network virtualization including Hyper-V and VMware • Storage management, Disk Quota, permission management • High availability and Failover clustering • Backup • Network performance monitoring • Network security, antivirus server and firewall • Routing and switching • Computer repair • ERP implementation and support